Operation Manual

3. Do not overtwist the tool;
stop when you feel a slight
resistance (about 1 rotation)
or you could damage the
audiofilter. Pull the used
audio filter out.
4. So you can reuse the audio
filter, insert it in an empty slot
in the audio filter box; turn
and remove the changing
tool. Dispose of any soiled or
damaged audio filters.
5. Proceed with placing a new audio
filter in the earphones. Make sure
that the audio filter is sitting in
the dispenser with the open side
facing upwards.
6. Press the "flat end" of the
changing tool into the filter
ring and pull out vertically.
7. Push the new audio filter into
the sound tube of your
earphones. Tip the changing
tool sideways to release it.